<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>删除设备</title>
</head>
<body>
<center>
    <h3>
        <form action="" method="post">
		<h3>设备id：<input type=text name=did><br>
        </h3>
		<input type=submit value="删除">
	    </form>
    </h3>
</center>
</body>
</html>